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Full-Text Articles in Biomedical Engineering and Bioengineering

Raman Spectroscopic Investigation Of Chondroitinase Abc Treatment After Spinal Cord Injury In An Organotypic Model, Shane Ruberto Dec 2013

Raman Spectroscopic Investigation Of Chondroitinase Abc Treatment After Spinal Cord Injury In An Organotypic Model, Shane Ruberto

Theses - ALL

This study investigated (1) the ability of an organotypic model of spinal cord injury (SCI) to recapitulate significant pathobiological events of in vivo SCI from a Raman spectroscopic perspective, and (2) the Raman spectroscopic effects of chondroitinase ABC (cABC) treatment on said model of SCI. Tissue from mouse spinal cords was excised, sectioned, and placed into culture, before being systematically injured to induce trauma. Cultures with and without cABC treatment were assessed using Raman spectroscopy at varying times post-injury. We demonstrate that Raman spectral phenomena characteristic of SCI can be observed using an organotypic model. By comparing these phenomena with …


Controlling Bacterial Persister Cells With Low Level Electric Currents, Henry Lars Peterson May 2013

Controlling Bacterial Persister Cells With Low Level Electric Currents, Henry Lars Peterson

Honors Capstone Projects - All

Bacterial persister cells present a growing concern as they inherit the ability to tolerate high concentrations of antibiotics and repopulate after an antibiotic treatment leading to chronic diseases. Pseudomonas aeruginosa causes many human infections including skin infections and those associated with burn injuries, and implanted medical devices, and are associated with Cystic Fibrosis. Recently, the Ren Lab developed a novel approach to eliminate persister cells of P. aeruginosa, including those in biofilms, using low level electric currents. To evaluate the safety of this method and to better understand how the underlying elements, this study focused on the cytotoxicity of …